JVN#39596244
Improper restriction of XML external entity references (XXE) in FD Application
Overview
FD Application provided by Ministry of Health, Labour and Welfare improperly restricts XML external entity references (XXE).
Products Affected
- FD Application Apr. 2022 Edition (Version 9.01) and earlier
Description
FD Application provided by Ministry of Health, Labour and Welfare improperly restricts XML external entity references (XXE) (CWE-611).
Impact
By processing a specially crafted XML file, arbitrary files on the system may be read by an attacker.
Solution
Update the Software
Update the software to the latest version according to the information provided by the developer.
The developer addressed the vulnerability in the following version:
- FD Application Sep. 2023 Edition (Version 9.02)
Vendor Status
| Vendor | Link |
| Ministry of Health, Labour and Welfare | FD Application Download Web Site (Text in Japanese) |
References
JPCERT/CC Addendum
Vulnerability Analysis by JPCERT/CC
| Attack Vector(AV) | Physical (P) | Local (L) | Adjacent (A) | Network (N) |
|---|---|---|---|---|
| Attack Complexity(AC) | High (H) | Low (L) | ||
| Privileges Required(PR) | High (H) | Low (L) | None (N) | |
| User Interaction(UI) | Required (R) | None (N) | ||
| Scope(S) | Unchanged (U) | Changed (C) | ||
| Confidentiality Impact(C) | None (N) | Low (L) | High (H) | |
| Integrity Impact(I) | None (N) | Low (L) | High (H) | |
| Availability Impact(A) | None (N) | Low (L) | High (H) |
| Access Vector(AV) | Local (L) | Adjacent Network (A) | Network (N) |
|---|---|---|---|
| Access Complexity(AC) | High (H) | Medium (M) | Low (L) |
| Authentication(Au) | Multiple (M) | Single (S) | None (N) |
| Confidentiality Impact(C) | None (N) | Partial (P) | Complete (C) |
| Integrity Impact(I) | None (N) | Partial (P) | Complete (C) |
| Availability Impact(A) | None (N) | Partial (P) | Complete (C) |
Comment
The analysis treats "Confidentiality(C)" as the primary impact where the internal files are accessible, whereas "Integrity(I)" and "Availability(A)" as the secondary impacts.
Credit
Toyama Taku and Sakaki Ryutaro of NEC Corporation reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
Other Information
| JPCERT Alert |
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| JPCERT Reports |
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| CERT Advisory |
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| CPNI Advisory |
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| TRnotes |
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| CVE |
CVE-2023-42132 |
| JVN iPedia |
JVNDB-2023-000096 |